Writing instrument or stylus



FIG. 1 is a perspective view of an ornamental design for a writinginstrument or stylus according to the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof rotated 180 degrees from FIG. 6.

All portions shown in broken lines are environmental and illustrativeonly and form no part of the claimed design.

CLAIM The ornamental design for a writing instrument or stylus, as shownand described.